/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.action.admin.cluster.node.stats;

import org.elasticsearch.action.support.nodes.BaseNodeResponse;
import org.elasticsearch.cluster.node.DiscoveryNode;
import javax.annotation.Nullable;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.monitor.fs.FsInfo;

import java.io.IOException;

public class NodeStats extends BaseNodeResponse {

    private long timestamp;

    private FsInfo fs;

    public NodeStats(DiscoveryNode node, long timestamp, FsInfo fs) {
        super(node);
        this.timestamp = timestamp;
        this.fs = fs;
    }

    public NodeStats(StreamInput in) throws IOException {
        super(in);
        timestamp = in.readVLong();
        fs = in.readOptionalWriteable(FsInfo::new);
    }

    public long getTimestamp() {
        return this.timestamp;
    }

    @Nullable
    public String getHostname() {
        return getNode().getHostName();
    }


    public FsInfo getFs() {
        return fs;
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        out.writeVLong(timestamp);
        out.writeOptionalWriteable(fs);
    }
}
